Datasheet LTC3722-1, LTC3722-2 (Analog Devices) - 6

LTC3722-1/LTC3722-2
TYPICAL PERFORMANCE CHARACTERISTICS Delay Pin Threshold Slope Current vs Temperature VCC Shunt Voltage vs Temperature vs Temperature
90 10.5 2.4 ICC = 10mA 80 C 2.3 T = 2.25V SBUS = 2.25V 10.4 70 2.2 10.3 60 2.1 2.0 50 10.2 1.9 40 CT = 1V 10.1 1.8 CURRENT (µA) 30 THRESHOLD (V) SHUNT VOLTAGE (V) 10.0 1.7 20 1.6 9.9 SBUS = 1.5V 10 1.5 0 9.8 1.4 –60 –30 0 30 60 90 120 150 –60 –30 0 30 60 90 120 150 –60 –30 0 30 60 90 120 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 372212 G10 372212 G11 372212 G12
ZVS Delay in Fixed Mode, FB Input Voltage vs Temperature Delay Timeout vs RDPRG SBUS = 5V
1.210 300 300 TA = 25°C TA = 25°C 1.209 250 250 1.208 SBUS = 2.25V ADLY = PDLY = 2.25V 200 SBUS = 1.5V 200 ADLY = PDLY = 1.5V 1.207 1.206 Y (ns) 150 Y (ns) 150 DELA SBUS = 1.125V DELA 1.205 ADLY = PDLY = 1.125V FB VOLTAGE (V) 100 100 1.204 50 50 1.203 1.202 0 0 –60 –30 0 30 60 90 120 150 10 60 110 160 210 260 310 10 60 110 160 210 260 310 TEMPERATURE (°C) RDPRG (kΩ) RDPRG (kΩ) 372212 G14 372212 G15 372212 G13
Synchronous Driver Turn-Off Synchronous Driver Turn-Off Delay in Delay in Fixed Mode Adaptive Mode, SBUS = 1.5V
350 TA = 25°C 260 TA = 25°C 300 220 250 B HI-F LOW 180 200 A HI-E LOW Y (nS) Y (ns) 140 150 DELA DELA 100 100 50 60 0 20 10 60 110 160 210 10 30 50 70 90 110 130 150 170 190 RSPRG (kΩ) RSPRG (kΩ) 372212 G16 372212 G17 Rev C 6 For more information www.analog.com Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagram Operation Revision History Typical application Related Parts